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Tue, 14 Nov 2023 04:46:45 -0500 (EST) Message-ID: Subject: Re: Several tst-robust* tests time out with recent Linux kernel From: Xi Ruoyao To: "Peter Zijlstra (Intel)" , libc-alpha@sourceware.org Cc: linux-kernel@vger.kernel.org, linux-api@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, Thomas Gleixner , =?ISO-8859-1?Q?Andr=E9?= Almeida Date: Tue, 14 Nov 2023 17:46:43 +0800 In-Reply-To: <4bda9f2e06512e375e045f9e72edb205104af19c.camel@xry111.site> References: <4bda9f2e06512e375e045f9e72edb205104af19c.camel@xry111.site> Autocrypt: addr=xry111@xry111.site; prefer-encrypt=mutual; keydata=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 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.50.1 MIME-Version: 1.0 X-Rspamd-Queue-Id: A6DD320027 X-Rspam-User: X-Rspamd-Server: rspam04 X-Stat-Signature: xus8ada3nfoxyk9mra7atfpa98y5wzc4 X-HE-Tag: 1699955212-201446 X-HE-Meta: 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 CvyhWtuV 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, 2023-11-14 at 02:33 +0800, Xi Ruoyao wrote: > Hi, >=20 > With Linux 6.7.0-rc1, several tst-robust* tests time out on x86_64: >=20 > FAIL: nptl/tst-robust1 > FAIL: nptl/tst-robust3 > FAIL: nptl/tst-robust4 > FAIL: nptl/tst-robust6 > FAIL: nptl/tst-robust7 > FAIL: nptl/tst-robust9 >=20 > This does not happen with Linux 6.6.0.=C2=A0 Do you have some clue about > it? Bisected to the kernel commit: commit 5694289ce183bc3336407a78c8c722a0b9208f9b (HEAD) Author: peterz@infradead.org Date: Thu Sep 21 12:45:08 2023 +0200 futex: Flag conversion =20 Futex has 3 sets of flags: =20 - legacy futex op bits - futex2 flags - internal flags =20 Add a few helpers to convert from the API flags into the internal flags. =20 Signed-off-by: Peter Zijlstra (Intel) Reviewed-by: Thomas Gleixner Reviewed-by: Andr Almeida Link: https://lore.kernel.org/r/20230921105247.722140574@noisy.programm= ing.kicks-ass.net --=20 Xi Ruoyao School of Aerospace Science and Technology, Xidian University